题目内容
With the city ________ clouded by dirty smog, the government has planned to shut down the four major coal-fired power plants.
A. abruptly B. frequently
C. occasionally D. regularly
练习册系列答案
相关题目
题目内容
With the city ________ clouded by dirty smog, the government has planned to shut down the four major coal-fired power plants.
A. abruptly B. frequently
C. occasionally D. regularly